Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THERE OF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORD ERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 29 Self-propelled bulldozers, angledozers, graders, levellers, scrapers, mechanical Commodity Code Description 84 29 11 84 29 19 84 29 20 84 29 30 84 29 40 84 29 51 84 29 52 84 29 59